Sony WM-FX121 Operating Instructions
![Sony WM-FX121 manual cover](/images/87ce6e2eb26f6d615b067b99/thumbs/thumb175x175.webp)
To replace the batteries on the Sony WM-FX121, slide open the battery compartment located on the back of the unit. Insert two AA batteries, ensuring that the positive and negative terminals match the symbols inside the compartment. Close the compartment securely.
If the cassette tape is not playing smoothly, first check if the tape is properly inserted and not tangled. Clean the tape heads with a cotton swab lightly moistened with isopropyl alcohol. Ensure the batteries are fully charged, as low power can affect performance.
To improve FM radio reception, fully extend the antenna wire and adjust its direction for the best signal. Avoid obstructions like walls or metal objects. For stronger signals, try repositioning the player to a different location.
To clean the Sony WM-FX121, use a soft, dry cloth to wipe the exterior. Avoid using any chemical cleaners or water. For the tape deck, clean the heads and pinch roller with a cotton swab moistened with isopropyl alcohol.
To set the clock, press and hold the CLOCK button until the hour starts flashing. Use the TUNING buttons to set the hour, then press CLOCK again to switch to minutes. Adjust the minutes using the TUNING buttons and press CLOCK to confirm.
If your device stops playing unexpectedly, check if the batteries are depleted and replace them if necessary. Also, inspect the cassette tape for any obstructions or tangling. Ensure the HOLD switch is not activated.
To activate the Mega Bass feature, slide the MEGA BASS switch to the ON position. This enhances the bass frequencies, providing a richer sound. Adjust the volume as needed after activating this feature.
When not in use, store the Sony WM-FX121 in a cool, dry place away from direct sunlight and heat sources. Remove the batteries to prevent leakage. Keep it in a protective case to avoid dust accumulation.
To reset the Sony WM-FX121 to factory settings, remove the batteries and leave them out for a few minutes. Reinsert the batteries, and the player will reset to its default settings. Note that this will erase all presets.
If the buttons are unresponsive, check if the HOLD switch is enabled and switch it off. Ensure the batteries are properly installed and charged. If the issue persists, gently clean around the buttons to remove any dirt or debris that may be causing the problem.